WO2019041220A1 - Mécanisme de verrouillage de bras et véhicule aérien - Google Patents

Mécanisme de verrouillage de bras et véhicule aérien Download PDF

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Publication number
WO2019041220A1
WO2019041220A1 PCT/CN2017/099895 CN2017099895W WO2019041220A1 WO 2019041220 A1 WO2019041220 A1 WO 2019041220A1 CN 2017099895 W CN2017099895 W CN 2017099895W WO 2019041220 A1 WO2019041220 A1 WO 2019041220A1
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WO
WIPO (PCT)
Prior art keywords
arm
locking mechanism
limiting
toothed disc
rotating
Prior art date
Application number
PCT/CN2017/099895
Other languages
English (en)
Chinese (zh)
Inventor
梁贵彬
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2017/099895 priority Critical patent/WO2019041220A1/fr
Priority to CN201780004852.XA priority patent/CN108883823B/zh
Publication of WO2019041220A1 publication Critical patent/WO2019041220A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft

Definitions

  • the present invention relates to the field of flight technology, and in particular, to an arm locking mechanism and an aircraft.
  • the arms of the aircraft are generally foldable for the convenience of transportation and storage of the aircraft.
  • a locking mechanism is designed corresponding to one arm, and how many locking mechanisms are provided in the number of arms, which leads to more operation steps and makes the operation inconvenient.
  • the present invention aims to at least solve one of the technical problems existing in the related art. To this end, the present invention needs to provide an arm locking mechanism and an aircraft.
  • the arm locking mechanism of the embodiment of the present invention is used for an aircraft, the arm locking mechanism includes an arm connecting assembly and a locking mechanism, and the arm connecting assembly includes at least two arm connecting members rotatable, the at least two The arm connector is switchable between an extended state and a folded state, the locking mechanism being configured to define a rotational angle of the arm connector, the locking mechanism including a locking portion and a rotatable connection with the locking portion
  • the adapter portion is fixedly connected to the at least two arm connectors, the adapter portion includes a rotating chainring, and the locking portion includes a limiting chainring that cooperates with the rotating toothed disc. Wherein, in the folded state and the extended state, the rotating toothed disc and the limiting toothed disc are engaged to lock the at least two arm joints.
  • the locking mechanism when the arm connecting assembly is in the folded state and the extended state, the locking mechanism can simultaneously achieve stable locking of at least two arm connecting members, which can effectively reduce the operation steps, and then User-friendly use enhances the user experience.
  • An aircraft according to an embodiment of the present invention includes a body and an arm locking mechanism according to any of the above embodiments, and the arm locking mechanism is mounted to the body.
  • the locking mechanism when the arm connecting assembly is in the folded state and the extended state, the locking mechanism can simultaneously achieve stable locking of at least two arm joints, which can effectively reduce the operation steps, and is convenient for the user. Use to improve the user experience.
  • FIG. 1 is a perspective view of a arm locking mechanism according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing the arm locking mechanism of the embodiment of the present invention in a locked state
  • FIG. 3 is a perspective view showing the arm locking mechanism in an unlocked state according to an embodiment of the present invention.
  • Figure 4 is a bottom plan view of the arm locking mechanism of the embodiment of the present invention.
  • Figure 5 is a cross-sectional view of the arm locking mechanism of Figure 4 taken along line A-A;
  • FIG. 6 is an exploded perspective view of the arm locking mechanism of the embodiment of the present invention.
  • Fig. 7 is a schematic perspective view of an aircraft according to an embodiment of the present invention.
  • Arm lock mechanism 10 operation portion 11, operation button 112, button adapter portion 1121, outer cover 1122, pressing lever 114, arm connection assembly 12, arm connector 121, first arm connector 121a, second machine Arm connector 121b, connecting rod 122, first connecting portion 123, first connecting portion 123a, second connecting portion 124, second connecting portion 124a, mounting groove 1240a, elastic member 13, locking mechanism 14, locking portion 141, turning The connecting portion 142, the rotating toothed disc 143, the limiting tooth 1431, the limiting toothed disc 144, the limiting slot 1441, the top surface 1442, the rotating shaft 145, the bearing 146, the connecting plate 147, the fixing assembly 15, the fixed upper plate 151, and the fixed plate Plate 152, limiting piece 153, fixing piece 1531, connecting piece 1532, resisting piece 1533, blocking piece 1534, linkage synchronization mechanism 16, gear 161, first gear 161a, second gear 161b, third gear 163, fourth a gear 164, a first turntable 165, a second turn
  • the body 20 the center frame 21, the arm assembly 30, the deforming rod 31, the first end 311, the second end 312, the crossbar 32, and the power assembly 33.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected in one piece. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the arm locking mechanism 10 of the embodiment of the present invention is used for the aircraft 100.
  • the arm locking mechanism 10 includes an arm connection assembly 12 and a locking mechanism 14.
  • the arm attachment assembly 12 includes at least two arm connectors 121 that are rotatable. At least two arm connectors 121 are switchable between an extended state and a folded state.
  • the locking mechanism 14 is configured to define a rotational angle of the arm link 121.
  • the locking mechanism 14 includes a locking portion 141 and a transition portion 142 that is rotatably coupled to the locking portion 141.
  • the adapter portion 142 is fixedly coupled to the at least two arm connectors 121.
  • the adapter portion 142 includes a rotating toothed disc 143.
  • the locking portion 141 includes a limiting spur 144 that cooperates with the rotating sprocket 143. Wherein, in the folded state and the extended state, the rotating toothed disc 143 and the limiting toothed disc 144 are engaged to lock the at least two arm joints 121.
  • the locking mechanism 14 when the arm connecting assembly 12 is in the folded state and the extended state, the locking mechanism 14 can simultaneously achieve stable locking of at least two arm connecting members 121, which can effectively reduce The operation steps are then convenient for the user to use, which improves the user experience.
  • the number of the arm connectors 121 can be set according to specific conditions.
  • the number of the arm connectors 121 may be three, four, or five other numbers, and the connection relationship between the arm connectors 121 may be set according to specific conditions.
  • the following embodiment of the invention will be described in more detail with respect to the specific structure of the arm locking mechanism 10 including the two arm connectors 121.
  • the angle between the two arm connecting members 121 may be the first angle; the arm connecting assembly 12 is In the extended state, the angle between the two arm connecting members 121 may be the second angle, and the second angle is greater than the first angle.
  • the rotating sprocket 143 is rotated relative to the limit spur 144 to a predetermined angle and re-engaged to cause the arm link 121 to switch between the folded state and the extended state.
  • the arm connector 121 can be extended or folded at different angles according to a preset angle, so that the adjustable posture range of the arm connector 121 is wider.
  • the above “preset angle” can be set according to specific conditions.
  • the rotating toothed disc 143 and the limiting toothed disc 144 are separated, the two arm connecting members 121 are in an unlocked state, and at this time, the postures of the two arm connecting members 121 can be adjusted by rotating the two arm connecting members 121. .
  • the rotating toothed disc 143 forms a limited position tooth 1431.
  • the limiting spur 144 is formed with a circular arc-shaped limiting groove 1441.
  • the limiting teeth 1431 are received in the limiting slots 1441 to cause the rotating sprocket 143 and the limiting sprocket 144 to mesh.
  • the state in which the rotating sprocket 143 and the limit spur 144 are engaged is more stable.
  • the number of the limiting teeth 1431 is plural, and the plurality of limiting teeth 1431 are distributed along the circumferential direction of the rotating sprocket 143.
  • the number of the limiting slots 1441 is plural.
  • a plurality of limiting slots 1441 are spaced along the circumferential spacing of the limiting spurs 144.
  • Each of the limiting teeth 1431 is received in the corresponding limiting slot 1441. As such, this further improves the stability of the rotating sprocket 143 and the limit spur 144 when they are engaged.
  • the number of the limiting teeth 1431 and the number of the limiting slots 1441 can be set according to specific conditions.
  • the shape of the limiting teeth 1431 and the shape of the limiting groove 1441 can also be set according to specific conditions.
  • the shape of the limiting tooth 1431 is matched with the shape of the limiting slot 1441 to ensure that the two arm connectors 121 are locked when the rotating toothed disc 143 and the limiting toothed disc 144 are engaged. Stability.
  • the arm connecting member 121 is switched between the folded state and the extended state.
  • the preset angle can be adjusted by adjusting the distance between the plurality of limit teeth 1431 or the size of the limit teeth 1431.
  • the limiting sprocket can form a limiting tooth
  • the rotating sprocket can be formed with a circular arc-shaped limiting slot, and the limiting tooth is received in the limiting slot to make the rotating sprocket And the limit gear teeth.
  • the locking mechanism 14 includes a shaft 145.
  • the rotating shaft 145 passes through the rotating toothed disc 143 and the limiting toothed disc 144 such that the rotating toothed disc 143 is rotatable relative to the limiting toothed disc 144.
  • the limiting spur 144 is slidable relative to the rotating shaft 145 and along the axial direction of the rotating shaft 145 between the first position a and the second position b, and the limiting sprocket 144 is in the first position a (as shown in FIG. 2).
  • the limiting spur 144 is engaged with the rotating sprocket 143 to lock the two arm connecting members 121.
  • the limiting sprocket 144 is in the second position b (as shown in FIG. 3), the limiting sprocket 144 and the rotating sprocket wheel 143 separation.
  • one end of the arm connector 121 is formed with a first connecting portion 123 and a second connecting portion 124 that are spaced apart.
  • the arm connecting member 121 is fixedly connected to the rotating toothed disc 143 through the first connecting portion 123.
  • the rotating shaft 145 sequentially passes through the first connecting portion 123 and the rotating toothed disc 143 and the limiting toothed disc 144 and the second connecting portion 124 to rotate the teeth.
  • the disk 143 and the arm connecting member 121 are rotatably coupled to the rotating shaft 145.
  • Rotating toothed disc 143 and limit The bit gear 144 is located between the first connecting portion 123 and the second connecting portion 124.
  • the first position a and the second position b are located between the rotating sprocket 143 and the second connecting portion 124.
  • the balancing performance of the arm connecting member 121 and the rotating chainring 143 with respect to the limiting toothed disc 144 is better.
  • the rotating sprocket 143 and the limiting spur 144 are located between the first connecting portion 123 and the second connecting portion 124, the position of the limiting sprocket 144 along the axial direction of the rotating shaft 145 in the first position a and the second can be ensured. Stability of sliding between positions b.
  • the connection between the arm connecting member 121 and the rotating toothed disc 143 is relatively simple.
  • the locking mechanism 14 may further include a bearing 146, and the end of the rotating shaft 145 is disposed in the bearing 146.
  • the locking mechanism 14 includes two bearings 146, one end of which is coupled to one of the two bearings 146, and the other end of the shaft 145 is coupled to the other of the two bearings 146. In the bearing 146.
  • the size of the first connecting portion 123 and the size of the second connecting portion 124 may be made close to or coincide with each other, and the first connecting portion 123 is made
  • the shape matches the shape of the rotating toothed disc 143 so that the first connecting portion 123 can be in close contact with the rotating toothed disc 143 when it is fixedly coupled.
  • the manner of disposing the first connecting portion 123 and the second connecting portion 124 may be further defined. For example, as shown in FIGS. 3 and 6, the first connecting portion 123 and the second connecting portion 124 may be disposed in parallel.
  • the structure of the arm connecting member 121 can be defined as follows by the sliding stroke.
  • the arm connector 121 also includes a connecting rod 122.
  • the first connecting portion 123 and the second connecting portion 124 are substantially in the form of a sheet.
  • the first connecting portion 123 and the second connecting portion 124 are connected to both side edges of one end of the connecting rod 122.
  • the other end of the connecting rod 122 can be connected to other components of the aircraft.
  • the first connecting portion 123 and the limiting teeth 1431 are respectively disposed on opposite sides of the rotating toothed disc 143.
  • the locking mechanism 14 includes an operating portion 11.
  • the operation portion 11 is coupled to the lock portion 141 to drive the limit spur 144 to slide between the first position a and the second position b.
  • the user can lock or unlock the two arm connectors 121 through the operating portion 11, thereby improving the operability of the arm locking mechanism 10 and improving the user experience.
  • the operating portion 11 includes an operating button 112 and a pressing lever 114.
  • the operation button 112 is coupled to one end of the pressing lever 114.
  • One end of the pressing lever 114 can move the pressing lever 114 in the axial direction of the pressing lever 114, and the other end is fixedly coupled to the locking portion 141.
  • the operation button 112 is capable of rotationally switching between the third position and the fourth position.
  • the limit spur 144 is at the first position a.
  • the limit spur 144 is at the second position b.
  • the structure of the operating portion 11 is relatively simple, and the operation button 112 can improve the stability of the limiting sprocket 144 at the first position a, thereby providing an insurance function, and can ensure that the limiting sprocket 144 is in the first position a and The stability of the sliding between the two positions b.
  • this can be performed by pressing the operation button 112 such that one end of the pressing lever 114 drives the pressing lever 114 to move in the axial direction of the pressing lever 114, thereby causing the limiting chainring 144 to slide between the first position a and the second position b. Separation and toothing of the rotating toothed disc 143 and the limiting toothed disc 144 are then effected.
  • the operation button 112 is configured to be rotatably coupled to one end of the pressing lever 114.
  • the button 112 can be rotated to the third position so that when the limiting sprocket 144 is in the first position a, the state in which the rotating sprocket 143 and the limiting sprocket 144 are engaged can be locked, thereby preventing the rotating sprocket 143 from being rotated.
  • Rotating relative to the limit spur 144, at this time, the two arm connectors 121 can be in an extended state or a folded state.
  • the operation button 112 When unlocking is required, the operation button 112 may be rotated first, and then the operation button 112 may be pressed to cause one end of the pressing lever 114 to move the pressing lever 114 in the axial direction of the pressing lever 114 to operate the button 112 to the fourth position, thereby
  • the limit spur 144 is slid to the second position b, which in turn enables separation of the rotating sprocket 143 and the limit spur 144.
  • the position of the operation button 112 is stable when the button 112 is operated to the third position.
  • the angle at which the operating button 112 rotates relative to the pressing lever 114 can be set according to a specific situation.
  • the operating button 112 is opposite to the pressing lever 114.
  • the angle of rotation is 90 degrees.
  • the operation button 112 may be disposed to include the button adapter portion 1121 and the cover 1122.
  • the button adapter portion 1121 is rotatably coupled to one end of the pressing lever 114, and the housing 1122 is configured to cover the button adapter portion 1121 and is fixedly coupled to the button adapter portion 1121.
  • the operation button 112 has a large force receiving area, thereby facilitating user operation.
  • the adapter portion 142 includes two rotating chainrings 143 that are spaced apart.
  • the locking portion 141 includes two limiting spurs 144 and a connecting plate 147 connecting the two limiting spurs 144.
  • the two rotating toothed discs 143 are respectively engaged with the two limit toothed discs 144 to lock the two arm joint members 121.
  • the operation button 112 is coupled to one end of the pressing lever 114.
  • the other end of the pressing lever 114 is fixed to the connecting plate 147 to be able to move the two limiting spurs 144 in the axial direction of the rotating shaft 145.
  • the locking mechanism 14 includes a securing assembly 15.
  • the fixing assembly 15 includes a fixed upper plate 151 and a fixed lower plate 152.
  • the arm connector 121 is rotatably coupled to the upper plate 151.
  • the fixed upper plate 151 and the fixed lower plate 152 are respectively disposed at both ends of the rotating shaft 145.
  • the rotating sprocket 143 and the limit spur 144 are located between the fixed upper plate 151 and the fixed lower plate 152.
  • the fixed upper plate 151 and the fixed lower plate 152 can define the positions of the upper side and the lower side of the arm connecting member 121, so that the stability of the arm connecting member 121 when rotating can be improved.
  • the fixed upper plate 151 is provided with a limiting piece 153.
  • the limiting piece 153 is configured to define the operation
  • the button 112 is in the third position.
  • the setting of the limiting piece 153 can improve the stability of the operating button 112 when it is in the third position.
  • the stopper piece 153 is fixed to the fixed upper plate 151.
  • One end of the pressing rod 114 is movably disposed to fix the upper plate 151 and protrudes to fix the upper plate 151, and the operation button 112 is rotatably connected to one end of the pressing rod 114.
  • the other end of the pressing lever 114 is fixedly coupled to the locking portion 141 and located on the lower side of the fixed upper plate 151.
  • the operation button 112 may be rotated to cause the operation button 112 to be disengaged from the limiting piece 153. At this time, the operation button 112 may be pressed again to cause one end of the pressing rod 114 to drive the pressing rod 114 to move along the axial direction of the pressing rod 114. Thereby, the limit spur 144 is slid to the second position b, at which time the operation button 112 is separated from the limit piece 153.
  • the operation button 112 when the operation button 112 is in the third position, the operation button 112 is in contact with the limiting piece 153 and has a large static friction between the two, which prevents the position of the operation button 112 from being accidentally moved.
  • the rotating operation button 112 When the rotating operation button 112 is in contact with the limiting piece 153, the rotating operation button 112 contacts the limiting piece 153 and generates a sliding friction force, which can prevent the operation button 112 from sliding into or out of the limiting piece 153 too quickly. Thereby, the stability of the arm locking mechanism 10 as a whole can be ensured.
  • the limiting piece 153 can be made to have a certain elasticity, so that the operating button 112 can elastically resist the limiting piece 153.
  • the operating button 112 is rotatably coupled to one end of the pressing lever 114.
  • the limiting piece 153 includes a blocking piece 1534 extending upward from the end surface of the limiting piece 153. When the operation button 112 is in the third position, the operation button 112 abuts the shutter 1534.
  • the flap 1534 can not only improve the stability of the operation button 112 in the third position, but also can define the rotation angle and the rotation direction of the operation button 112.
  • the number of the limiting pieces 153 is two, and the two limiting pieces 153 are respectively fixed on both sides of the fixed upper plate 151 .
  • the operation button 112 When the operation button 112 is in the third position, the two ends of the bottom surface of the operation button 112 are respectively abutted on the two limiting pieces 153, and the two sides of the operation button 112 are respectively supported between the two blocking pieces 1534.
  • the operation button 112 when the arm locking mechanism 10 needs to be unlocked, in the direction shown in FIG. 2, the operation button 112 needs to be rotated counterclockwise to rotate the operation button 112 to be separated from the two limiting pieces 153 and located at two limits. Between the sheets 153, such that the operating button 112 can be pressed to the fourth position, and then unlocking is completed.
  • the limiting piece 153 includes a fixing piece 1531, a connecting piece 1532, and a resisting piece 1533.
  • Limit The position piece 153 is fixed to the fixed upper plate 151 by the fixing piece 1531.
  • the connecting piece 1532 connects one end of the fixing piece 1531 and one end of the abutting piece 1533.
  • the flap 1534 extends upward from the end surface of one end of the abutting piece 1533.
  • the other end of the resisting piece 1533 is suspended above the fixed upper plate 151.
  • the structure of the limiting piece 153 is relatively simple, and the operation of the operation button 112 is facilitated.
  • the locking mechanism 14 includes an elastic member 13.
  • the rotating shaft 145 is provided with an elastic member 13.
  • the elastic member 13 elastically abuts the limit toothed disc 144 and is configured to drive the limit toothed disc 144 to slide to the first position a.
  • the elastic member 13 is in a pre-stressed state, and the closing force for the rotational engagement of the rotating sprocket 143 and the limiting spur 144 can be provided.
  • the two arm connecting members 121 are rotated to a predetermined angle with respect to the locking portion 141, the rotating toothed disc 143 and the limiting toothed disc 144 can be engaged by the elastic member 13 in the pre-stressed state, and are in advance
  • the elastic member 13 in the pressed state enables the rotating sprocket 143 and the limit spur 144 to be in a stable toothed state.
  • the elastic member 13 is elastically resisted between the fixed lower plate 152 and the limit spur 144.
  • the limiting toothed disc 144 is located at the second position b, the limiting tooth 1431 of the rotating toothed disc 143 is disengaged from the limiting slot 1441 and abuts against the top surface 1442 of the limiting toothed disc 144, so that the elastic member 13 is pressed and contracted. And in a compressed state.
  • the elastic member 13 in the compressed state is elongated and can drive the limiting spur 144 in the axial direction of the rotating shaft 145.
  • the upward sliding member 1431 is repositioned in the limiting slot 1441 to re-engage the rotating toothed disc 143 and the limiting toothed disc 144. In this way, the toothing of the rotating toothed disc 143 and the limiting toothed disc 144 is achieved in a relatively simple manner by the elastic element 13.
  • the resilient member 13 is a spring.
  • the elastic member 13 has greater elasticity.
  • the arm locking mechanism 10 includes a linkage synchronizing mechanism 16 that connects the two arm connectors 121.
  • the two arm connectors 121 are linked by the linkage synchronizing mechanism 16.
  • the arrangement of the linkage synchronization mechanism 16 allows the two arm connectors 121 to achieve a more precise synchronization effect, thereby enhancing the user experience.
  • the two arm connectors 121 can achieve synchronous rotation, which in turn enables the locking mechanism 14 to simultaneously achieve stable locking of the two arm connectors 121.
  • the linkage synchronization mechanism 16 includes two gears 161 that mesh with each other.
  • the two arm connectors 121 are connected to the two gears 161, respectively.
  • the arrangement of the two gears 161 can improve the stability of the operation of the linkage synchronization mechanism 16.
  • the two gears 161 include a first gear 161a and a second gear 161b.
  • the two arm connectors 121 include a first arm connector 121a and a second arm connector 121b.
  • the linkage synchronization mechanism 16 also includes a first dial 165 and a second dial 166.
  • One end of the first turntable 165 is fixedly coupled to the first arm connector 121a.
  • First A gear 161a is fixed to the other end of the first turntable 165.
  • One end of the second turntable 166 is fixedly coupled to the second arm connector 121b.
  • the second gear 161b is fixed to the other end of the second turntable 166. It can be understood that the other end of the first turntable 165 can have an interference fit with the first gear 161a, and the other end of the second turntable 166 can have an interference fit with the second gear 161b.
  • the first arm 165 can be rotated to drive the first arm 165 to rotate, thereby sequentially rotating the first gear 161a and the second gear 161b, and then the second arm connecting member 121b can be driven by the second dial 166.
  • the rotation is synchronized so that the simultaneous folding or stretching of the first arm connector 121a and the second arm connector 121b can be achieved.
  • the first arm connector 121a and the second arm connector 121b are axisymmetric with respect to the pressing lever 114; when the locking mechanism 14 is in the unlocked state, the first arm connector 121a and The second arm connector 121b is also axisymmetric with respect to the pressing lever 114.
  • the interlocking synchronizing mechanism 16 includes a third gear 163 and a fourth gear 164 that are engaged.
  • the first gear 161a is meshed with the second gear 161b through the third gear 163 and the fourth gear 164. This allows the linkage synchronizing mechanism 16 to have a larger torque and the smoothness of the transmission is better.
  • the first arm connector 121a is exemplified, and one end of the first arm connector 121a is formed with a first connecting portion 123a and a second connecting portion 124a which are spaced apart from each other. An end surface of the second connecting portion 124a remote from the first connecting portion 123a is fixedly coupled to the first turntable 165.
  • the first gear 161a is rotatably mounted to the fixed lower plate 152. One end of the rotating shaft 145 can be connected and fixed to the upper plate 151 via a bearing 146.
  • the rotating shaft 145 passes through the first connecting portion 123a, the rotating toothed plate 143, the limiting toothed disc 144 and the second connecting portion 124a, the first rotating plate 165, and the first gear 161a.
  • the lower plate 152 is fixedly connected by a bearing 146.
  • one end of the second connecting portion 124a away from the first connecting portion 123a may be provided with a mounting groove 1240a (as shown in FIG. 5).
  • One end of the first turntable 165 is fixedly mounted in the mounting groove 1240a, and the shape of one end of the first turntable 165 matches the shape of the mounting groove 1240a.
  • the locking mechanism 14 includes the elastic member 13
  • one end of the elastic member 13 can be abutted against the limiting toothed disc 144, and the other end of the elastic member 13 can be received in the first rotating disc 165 and resist the first rotating disc 165, so that the elastic The position of the piece 13 is more stable.
  • the linkage synchronization mechanism 16 can also achieve synchronization of at least two arm connectors 121 by other transmission methods.
  • the linkage synchronization mechanism can include two sprockets connected by a chain, to Two fewer arm connectors 121 connect the two sprockets, respectively.
  • the linkage synchronization mechanism includes two pulleys connected by a belt, and at least two arm connectors 121 connect the two pulleys, respectively.
  • an aircraft 100 includes a body 20 and an arm locking mechanism 10 according to any of the above embodiments.
  • the arm locking mechanism 10 is mounted to the body 20.
  • the locking mechanism 14 when the arm connecting assembly 12 is in the folded state and the extended state, the locking mechanism 14 can simultaneously achieve stable locking of the at least two arm connecting members 121, which can effectively reduce the operation steps. It is convenient for users to use and enhances the user experience.
  • the aircraft 100 can be a multi-rotor aircraft, which can be used for aerial photography, mapping, plant protection, fire protection, and the like.
  • the aircraft 100 has the advantage of being easy to carry, easy to operate, and relatively low in cost.
  • aircraft 100 includes a boom assembly 30.
  • the body 20 includes a center frame 21.
  • the locking mechanism 14 is coupled to the center frame 21.
  • the arm assembly 30 is coupled to the arm connector 121.
  • the arm connector 121 is rotatable relative to the center frame 21.
  • the number of the arm assemblies 30 is two, and the two arm assemblies 30 are respectively disposed on both sides of the center frame 21.
  • the arm assembly 30 can be switched between the extended state and the folded state, and the arm assembly 30 can be folded into a stacked structure when the extended state is switched to the folded state, and the folded aircraft is small in size and convenient to fold. Carry and transport.
  • the arm assembly 30 includes a deformable rod 31 and a crossbar 32.
  • the deforming rod 31 includes a first end 311 that is fixedly coupled to the arm connector 121 and a second end 312 that is rotatably coupled to the crossbar 32.
  • the height of the second end 312 is greater than the height of the first end 311.
  • the height of the second end 312 and the height of the first end 311 are both the height relative to the center frame 21 when the aircraft 100 is in normal use, such as the aircraft 100 shown in FIG.
  • both ends of the crossbar 32 may be provided with a power assembly 33 that provides flight power to the aircraft 100.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Steering Controls (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Abstract

L'invention concerne un mécanisme de verrouillage de bras (10) et un véhicule aérien (100). Le mécanisme de verrouillage de bras (10) comprend un ensemble de raccordement de bras (12) et un mécanisme de verrouillage (14). L'ensemble de raccordement de bras (12) comprend au moins deux éléments de raccordement de bras rotatifs (121) aptes à passer d'un état déplié à un état replié. Le mécanisme de verrouillage (14) est utilisé pour limiter un angle de rotation de l'élément de raccordement de bras (121). Le mécanisme de verrouillage (14) comprend une partie de verrouillage (141) et une partie de raccordement rotative (142) raccordée à rotation à la partie de verrouillage (141). La partie de raccordement rotative (142) est raccordée et fixée auxdits éléments de raccordement de bras (121). La partie de raccordement rotative (142) comprend un disque denté rotatif (143). La partie de verrouillage (141) comprend un disque denté de limitation de position (144) coopérant avec le disque denté rotatif (143). Lorsque l'ensemble de raccordement de bras (12) est dans l'état déplié et dans l'état replié, le disque denté rotatif (143) engrène le disque denté de limitation de position (144) afin de verrouiller lesdits éléments de raccordement de bras (121).
PCT/CN2017/099895 2017-08-31 2017-08-31 Mécanisme de verrouillage de bras et véhicule aérien WO2019041220A1 (fr)

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PCT/CN2017/099895 WO2019041220A1 (fr) 2017-08-31 2017-08-31 Mécanisme de verrouillage de bras et véhicule aérien
CN201780004852.XA CN108883823B (zh) 2017-08-31 2017-08-31 机臂锁定机构及飞行器

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PCT/CN2017/099895 WO2019041220A1 (fr) 2017-08-31 2017-08-31 Mécanisme de verrouillage de bras et véhicule aérien

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CN114312182B (zh) * 2022-01-04 2023-08-22 广东汇天航空航天科技有限公司 飞行汽车

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